Simplify (7x3 + 7x2 – 4) + (x3 – 5x2 – 3x + 8). Choose the standard form of the answer.

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Find the ratios of the corresponding sides